S Douglas Campbell, MD
Internal Medicine Physician · Sonoma, CA
S Douglas Campbell, MD is an internal medicine physician with a practice address in Sonoma, California, and NPI 1053427989, issued on Aug 22, 2006. Check the license (California G37227, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- S Douglas Campbell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G37227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 670 Third Street West, Sonoma, CA 95476
- Phone
- (707) 938-5916
- Enumerated
- Aug 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 938-8496
- Medicaid ID
- GR0083820 CA
- Medicare enrollment
- Enrolled (PECOS I20090422000530); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify S Douglas Campbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,320 Medicare Part D claims for 365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 159 claims were for opioids.
Most prescribed
- Atorvastatin Calcium318 claims
- Levothyroxine Sodium218 claims
- Simvastatin187 claims
- Prednisone175 claims
- Lorazepam164 claims
- Losartan Potassium164 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 27.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $127.78
5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Campbell And VerducciSonoma, CA
- Sonoma Valley Health Care DistrictSonoma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
S Douglas Campbell among 17,696 internal medicine physician records in California
S Douglas Campbell, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1977 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Sonoma
They are 12 of the 395 NPPES records with a practice address in Sonoma, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sonoma → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Boyce-Smith, MDSonoma, CA 954761255925590
- Guy Delorefice, M.D.Sonoma, CA 954761952426421
- Lawrence Huan, MDSonoma, CA 954761881986206
- Victor Iacovoni, M.D.Sonoma, CA 954761619985348
- Clinton Lane, M.D.Sonoma, CA 954761679564611
- Yong Liu, M.D.Sonoma, CA 954761568424919
- Walter Prehn, MDSonoma, CA 954761225042088
- Brian Sebastian, MDSonoma, CA 954761184624637
Common questions
What is S Douglas Campbell, MD's NPI number?
S Douglas Campbell, MD's National Provider Identifier (NPI) is 1053427989, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is S Douglas Campbell, MD located?
The NPPES record lists a practice address at 670 Third Street West, Sonoma, CA, 95476. Phone: (707) 938-5916. Providers update this record themselves, so call before visiting.
How can I verify S Douglas Campbell, MD's license?
NPPES lists California license number G37227, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does S Douglas Campbell, MD prescribe under Medicare Part D?
In 2024, S Douglas Campbell, MD had 4,320 Medicare Part D claims for 365 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is S Douglas Campbell, MD's MIPS final score?
The 2023 MIPS final score is 27.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.